168904041 has 8 divisors (see below), whose sum is σ = 229997184. Its totient is φ = 110206800.

The previous prime is 168904039. The next prime is 168904049. The reversal of 168904041 is 140409861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 168904041 - 2¹ = 168904039 is a prime.

It is a super-2 number, since 2×168904041² = 57057150132259362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 168903993 and 168904011.

It is not an unprimeable number, because it can be changed into a prime (168904049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598810 + ... + 599091.

It is an arithmetic number, because the mean of its divisors is an integer number (28749648).

Almost surely, 2^168904041 is an apocalyptic number.

It is an amenable number.

168904041 is a deficient number, since it is larger than the sum of its proper divisors (61093143).

168904041 is a wasteful number, since it uses less digits than its factorization.

168904041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197951.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 168904041 is about 12996.3087451784. The cubic root of 168904041 is about 552.7728194058.

The spelling of 168904041 in words is "one hundred sixty-eight million, nine hundred four thousand, forty-one".